function valid(){
var a = document.contact;


if(a.name.value==""){
alert("Please enter your Name");
a.fname.focus();
return false;
}

if(a.surname.value==""){
alert("Please enter your Surname");
a.surname.focus();
return false;
}

if(a.email.value==""){
alert("Please enter your Email Address");
a.email.focus();
return false;
}
else
{
	var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i
	var returnval=emailfilter.test(document.contact.email.value)
	if (returnval==false){
		alert("Please enter a valid email address.");
		document.contact.email.focus();
		return false;
}
}
if(a.number.value==""){
alert("Please enter your Contact Number");
a.number.focus();
a.number.select();
return false;
}
return true;
}